<!DOCTYPE html>
<html>
<head>
<script>
function run() {
  const params = new URLSearchParams(document.location.search);
  const policy = params.get('policy');
  const destination = params.get('redirect');
  const shouldUseLink = params.get('link');
  const target = params.get('target');

  if (policy != "no-meta") {
    const meta = document.createElement("meta");
    meta.name = "referrer";
    meta.content = policy;
    document.head.appendChild(meta);
  }

  if (shouldUseLink == "true") {
    const link = document.createElement("a");
    link.innerText = "link";
    link.target = target;
    link.href = destination;
    document.body.appendChild(link);
  } else {
    document.location = destination;
  }
}
</script>
</head>
<body onload="run()">
</body>
</html>
